BASC Search

Web page describing the benefits of attic fans, with rules for sizing fans and intake vents.

Energy Star web page providing guidance on attic ventilation.

BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.

Blog article citing the risks and downsides of attic ventilation fans from a building science perspective.

Article describing issues with attic ventilation fans and why the state of Georgia residential code does not allow plug-in attic ventilation fans.

Blog article discussing pros and cons of attic ventilation fans.

Powerpoint on attic ventilation developed as training material for the Weatherization Assistance Program.

PDF literature review of the impact and need for attic ventilation in Florida homes.

Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.

Article describing moisture and ice dam issues in attics and how to air seal the attic floor.

Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.

Information sheet with information about insulating and ventilating attics.

Report describing the use of attic ventilation to control moisture in cathedral roofs and avoid the formation of ice dams.

Articles describing attic and ceiling insulation, including mentions of baffles with protect insulation from wind washing.

Report discussing how to create livable space in the attic that meets IRC code requirements by either creating a ventilated roof assembly, or and unvented attic assembly.

Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.

Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Report covering the selection of roof vents for rainwater resistance.

Article describing methods for venting a vented attic and a roof assembly over an unvented attic.

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

Webinar answering code-related questions on duct leakage tests, moisture levels in attics and crawlspaces, combustion equipment in conditioned attics, ventilation in multifamily buildings, and continuous insulation in residential construction.

Article describing the use of whole-house fans to provide cooling in the region surrounding Sacramento, CA.

Technical article describing issues and moisture concerns related to weatherization efforts.

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.